Men's Cloudswift 3A cushioned, forward rolling road shoe with dual density Helion superfoam and a zonal knit upper for an inclusive fit. Made for city running What's new with the Cloudswift? Well, almost everything. The new upper fuses supportive comfort with an unmistakably modern silhouette. And gliding over the concrete below your feet is the re engineered bottom unit for softer landings and even more powerful take offs. Crush it on concrete Hard surfaces require